﻿#region License
/* ---------------------------------------------------------------- *
 *
 * This file is part of the Xcoordination Application Space
 * ("XcoAppSpace") http://www.xcoordination.com
 *
 * Copyright (C) 2009 Xcoordination http://www.xcoordination.com
 *
 * XcoAppSpace is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General
 * Public License as published by the Free Software Foundation.
 *
 * XcoAppSpace is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see http://www.gnu.org/licenses/
 * or write to the Free Software Foundation, Inc., 51 Franklin
 * Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * ---------------------------------------------------------------- */
#endregion

using System;
using System.Collections.Generic;
using System.Linq;
using XcoAppSpaces.Contracts.Messaging;
using XcoAppSpaces.Core.Ports;
using CausalityContext = XcoAppSpaces.Contracts.Messaging.CausalityContext;

namespace XcoAppSpaces.Core.Communication
{
	static class CausalityContextExtensions
	{
		//private const string MessageContextCausalityName = "cMsgContext";

		public static void InstallCausalities(this CausalityContext context)
		{
			//try
			//{
			Ports.CausalityContext.Clear();
			if (context != null && context.Causalities != null && context.Causalities.Length > 0)
			{
				Ports.CausalityContext.AddAll(context.Causalities.Select(c => new Causality(c.ExceptionPort)));
			}
			//	AddCausalities(context, msgContext);
			//}
			//catch (ArgumentException) //this is to prevent ccr causality bug
			//{
			//	Dispatcher.ClearCausalities(); //there shouldn't be any causalities installed at this point, so clearing the causalities to prevent the bug is no problem
			//	AddCausalities(context, msgContext);
			//}
		}

		//public static void AddCausalities(this CausalityContext context, MessageContext msgContext)
		//{
		//	if (context != null && context.Causalities != null && context.Causalities.Length > 0)
		//	{
		//		foreach (CausalityInfo cInfo in context.Causalities)
		//		{
		//			Dispatcher.AddCausality(new ExtendedCausality(cInfo.Name, cInfo.ExceptionPort, cInfo.CoordinationPort, msgContext));
		//		}
		//	}
		//	else
		//	{
		//		//if no causalities present, then add a replacement causality for the message context
		//		Dispatcher.AddCausality(new ExtendedCausality(MessageContextCausalityName, null, null, msgContext));
		//	}
		//}



		public static void UninstallCausalities(this CausalityContext context)
		{
			Ports.CausalityContext.Clear();
		//	if (context != null && context.Causalities != null && context.Causalities.Length > 0)
		//	{
		//		foreach (CausalityInfo cInfo in context.Causalities)
		//		{
		//			Dispatcher.RemoveCausality(cInfo.Name);
		//		}
		//	}
		//	else
		//	{
		//		Dispatcher.RemoveCausality(MessageContextCausalityName);
		//	}
		}
	}
}
